Toshio Takayanagi

Synthesis of a chitosan-based chelating resin and its application to the selective concentration and ultratrace determination of silver in environmental water samples

Rosi Ketrin Katarina, Toshio Takayanagi, Mitsuko Oshima et al. · Analytica Chimica Acta · 2005 · 107 citations

Environmental Chemistry, Chemical Engineering, Engineering +12

Synthesis of novel chitosan resin possessing histidine moiety and its application to the determination of trace silver by ICP-AES coupled with triplet automated-pretreatment system

Minako Hosoba, Koji Oshita, Rosi Ketrin Katarina et al. · Analytica Chimica Acta · 2009 · 88 citations

Trace Silver, Chemical Engineering, Engineering +5

Functionalization of chitosan with 3,4-dihydroxybenzoic acid for the adsorption/collection of uranium in water samples and its determination by inductively coupled plasma-mass spectrometry

Akhmad Sabarudin, Mitsuko Oshima, Toshio Takayanagi et al. · Analytica Chimica Acta · 2006 · 73 citations

Environmental Chemistry, Chemical Engineering, Engineering +11

Sequential-injection on-line preconcentration using chitosan resin functionalized with 2-amino-5-hydroxy benzoic acid for the determination of trace elements in environmental water samples by inductively coupled plasma-atomic emission spectrometry

Akhmad Sabarudin, Narong Lenghor, M. Oshima et al. · Talanta · 2007 · 70 citations

Chemical Engineering, Environmental Chemistry, Engineering +14

Analysis of Chemical Equilibrium of Silicon-Substituted Fluorescein and Its Application to Develop a Scaffold for Red Fluorescent Probes

Kazuhisa Hirabayashi, Kenjiro Hanaoka, Toshio Takayanagi et al. · Analytical Chemistry · 2015 · 59 citations

Bioorganic Chemistry, Engineering, Spirolactone Ring +20